Add invites and knoks to photos

...java/org/futo/circles/feature/circles/CirclesViewModel.kt

...rg/futo/circles/feature/circles/list/CirclesViewHolder.kt

.../java/org/futo/circles/feature/groups/GroupsDataSource.kt

...a/org/futo/circles/feature/groups/list/GroupViewHolder.kt

.../main/java/org/futo/circles/mapping/RoomSummaryMapping.kt

app/src/main/java/org/futo/circles/model/GroupListItem.kt

app/src/main/res/values/strings.xml

auth/src/main/res/values/strings.xml

.../java/org/futo/circles/core/mapping/RoomSummaryMapping.kt

.../main/java/org/futo/circles/core/model/GalleryListItem.kt

.../circles/core/picker/gallery/rooms/PickGalleryFragment.kt

...circles/core/picker/gallery/rooms/PickGalleryViewModel.kt

...rcles/core/picker/gallery/rooms/list/GalleryViewHolder.kt

.../core/picker/gallery/rooms/list/PickGalleryListAdapter.kt

core/src/main/res/layout/list_item_invited_gallery.xml

core/src/main/res/layout/list_item_joined_gallery.xml

core/src/main/res/layout/list_item_request_gallery.xml

core/src/main/res/values/strings.xml

...java/org/futo/circles/gallery/feature/PhotosDataSource.kt

...n/java/org/futo/circles/gallery/feature/PhotosFragment.kt